Finding the Fourth Proportional to 65,826, 90,842.16 and 36,018

Step by Step Solution

1. Step 1: Write the proportion equation
   65,826 : 90,842.16 = 36,018 : x
2. Step 2: Convert to fraction form
   65,826/90,842.16 = 36,018/x
3. Step 3: Cross multiply
   65,826x = 90,842.16 × 36,018
4. Step 4: Simplify right side
   65,826x = 3,271,952,918.88
5. Step 5: Solve for x
   x = 3,271,952,918.88/65,826
6. Step 6: Final answer
   x = 49,706.09